Add 42/27 and 21/16
1st number: 1 15/27, 2nd number: 1 5/16
42/27 + 21/16 is 413/144.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 16 is 432
Next, find the equivalent fraction of both fractional numbers with denominator 432 - For the 1st fraction, since 27 × 16 = 432,
42/27 = 42 × 16/27 × 16 = 672/432 - Likewise, for the 2nd fraction, since 16 × 27 = 432,
21/16 = 21 × 27/16 × 27 = 567/432 - Add the two like fractions:
672/432 + 567/432 = 672 + 567/432 = 1239/432 - 1239/432 simplified gives 413/144
- So, 42/27 + 21/16 = 413/144
In mixed form: 2125/144
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